In the sports of ice hockey and rugby league, if a player is sent to the sin-bin, they are ordered to leave the playing area for a short period of time because they have done something that is against the rules.
sin bin in British English
or sin-bin
noun
1. slang
(in ice hockey, rugby, etc) an area off the field of play where a player who has committed a foul can be sent to sit for a specified period
2. British informal
a special unit on a separate site from a school that disruptive schoolchildren attend until they can be reintegrated into their normal classes
sin-bin in British English
or sin bin (ˈsɪnbɪn)
noun
1. slang
(in ice hockey, rugby, etc) an area off the field of play where a player who has committeda foul can be sent to sit for a specified period
Warwick was sent to the sin-bin for blocking a rival by lying on him after a tackle.
2. British informal
a special unit on a separate site from a school that disruptive schoolchildren attenduntil they can be reintegrated into their normal classes